If machine A polishes x units in 12 minutes and machine B polishes 5x units in 40 minutes, in how many minutes will A and B. working together, polish 50x units?
Created: 8 months ago | Updated: 1 month ago
Job Solution Bangladesh Bank সহকারী পরিচালক(AD) -12.11.2021 গণিত
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ATQ:

x/12 + 5x/40 = 50x/1

or, 10x+15x/120 = 50x/1

So, 240

1 year ago
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